Segment Reporting - Net Revenues and Earnings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Net revenues	$ 6,665	$ 6,355	$ 19,283	$ 18,955
Operating income	1,135	876	2,704	2,937
Unrealized gains/(losses) on hedging activities (mark-to-market impacts)	145	20	(42)	69
General corporate expenses	(66)	(76)	(253)	(264)
Amortization of intangibles	(50)	(43)	(143)	(130)
Net gain on divestiture	0	3	0	44
Acquisition-related costs	0	(1)	(15)	(2)
Benefit plan non-service income	38	13	102	42
Interest and other expense, net	(89)	(205)	(364)	(386)
Earnings before income taxes	1,084	684	2,442	2,593
Latin America
Segment Reporting Information [Line Items]
Net revenues	610	736	1,847	2,273
Operating income	77	84	149	250
AMEA
Segment Reporting Information [Line Items]
Net revenues	1,470	1,419	4,209	4,312
Operating income	210	188	615	635
Europe
Segment Reporting Information [Line Items]
Net revenues	2,526	2,377	7,248	7,175
Operating income	432	331	1,201	1,239
North America
Segment Reporting Information [Line Items]
Net revenues	2,059	1,823	5,979	5,195
Operating income	$ 387	$ 370	$ 1,192	$ 1,096